A patient who has undergone balloon angioplasty is being cared for in the CCU. What are indicators of success for this procedure?
A) Increase in the artery's lumen
B) Decrease in arterial blood flow
C) Decrease in symptomatic behavior
D) Increase in patient's activity level
Ans: A
Feedback: Several inflations and several balloon sizes may be required to achieve the goal, usually defined as an improvement in blood flow and a residual stenosis of less than 20%. Other measures of the success of a PTCA are an increase in the artery's lumen and no clinically obvious arterial trauma. Indications of a successful PTCA do not include a decrease in arterial blood flow, decrease in symptomatic behavior, or an increase in the patient's activity level.
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